Taking viewers behind the sealed doors of the military, NCIS follows the workings of investigators at the Naval Criminal Investigative Service. Led by the wise Special Agent Leroy Jethro Gibbs (Mark Harmon), a crack investigator with no qualms about bending the rules to find his answers, the team takes on cases involving terrorism, murder, espionage, and international arms-smuggling.

DVD: NCIS - Seasons 1 to 13 (78 DVDs in total)Format: DVD / official UK release in region 2 format (playable on all UK and EU players) Available audio tracks: English Optional subtitles: Danish, Dutch, Finnish, Norwegian, Swedish Number of discs: 78 Contents: all episodes of season 1 to 13 Country of release: UK Description: Naval Criminal Investigative Service Special Agent Leroy Jethro Gibbs leads a group of colorful personalities in investigating crimes -- ranging from murder and espionage to terrorism -- that have evidence connected to Navy and Marine Corps personnel.